CN105263539B - Transform irrigation/aspiration device - Google Patents

Transform irrigation/aspiration device Download PDF

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Publication number
CN105263539B
CN105263539B CN201480032043.6A CN201480032043A CN105263539B CN 105263539 B CN105263539 B CN 105263539B CN 201480032043 A CN201480032043 A CN 201480032043A CN 105263539 B CN105263539 B CN 105263539B
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CN
China
Prior art keywords
perfusion
handpiece
suction
hand piece
fluid
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Active
Application number
CN201480032043.6A
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Chinese (zh)
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CN105263539A (en
Inventor
C·鲍瓦伊斯
G·L·克彻维尔
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Alcon Inc
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Novartis AG
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Publication of CN105263539A publication Critical patent/CN105263539A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • A61M1/774—Handpieces specially adapted for providing suction as well as irrigation, either simultaneously or independently
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/76—Handpieces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • A61M1/86—Connectors between drainage tube and handpiece, e.g. drainage tubes detachable from handpiece
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0279—Cannula; Nozzles; Tips; their connection means
    • A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return valves
    • A61M2039/2426—Slit valve
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return valves
    • A61M2039/2433—Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc
    • A61M2039/244—Hinged closure member, e.g. flap valve
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0612—Eyes

Abstract

In various embodiments, a kind of Intubaction device includes perfusion handpiece part (it has the first suction tip for aspirating and the perfusion fluid issuing for perfusion) and aspiration hand piece part (it is configured to fluid being drawn into from the second suction tip of the distal end extension of the aspiration hand piece part).The Intubaction device can be converted between modes：(a) coaxial pattern, the aspiration hand piece part is couple to the perfusion handpiece part under the coaxial pattern, with second suction tip suction fluid that will pass through first suction tip and then connect and provide perfusion fluid by the perfusion fluid issuing, and (b) double manual modes, the aspiration hand piece part and the perfusion handpiece part are to separate under described pair of manual mode, suction is provided will pass through second suction tip, the perfusion handpiece part continues through the perfusion fluid issuing and provides perfusion fluid simultaneously.

Description

Transform irrigation/aspiration device
Priority request
The application advocates entitled " the transform irrigation/aspiration device (Transformer submitted on June 6th, 2013 Irrigation/Aspiration Device) " U.S. Provisional Patent Application the 61/831st, 665 senior interest, its send out A person of good sense is G.Lamar Kirchhevel and Charles Kittridge Beauvias, and the entire disclosure of which is to quote Mode is incorporated herein, and its reference degree as fully and completely illustrated herein.
Invention field
The present invention relates generally to surgery device.More specifically, but without limitation, the present invention relates to irrigate/take out Inhale device.
Description of Related Art
Cataract operation may include to remove muddy natural lens and peripheral cortex and be incited somebody to action with transparent intraocular lens It is replaced.Remove natural lens may include to use (be used for phacoemulsification and remove) be powered, perfusion, vibration Tip, then using the perfusion and suction tip for being used for cortex removal.
Previous (Predicate) cortex, which removes device, includes coaxial and double hand gears.The coaxial device of one-handed performance It may include the suction tip surrounded by perfusion sleeve.Two-handed pair of hand gear may include two single apparatuses：One Infusion cannula is provided and another provides suction intubation.Coaxial device may include two conduit couplings, and one is used for providing Fluid is irrigated, and one is used for aspiration vacuum, and double hand gears may include that being used on infusion cannula device irrigates stream The conduit coupling of body and the independent conduit coupling for vacuum on suction Intubaction device.
General introduction
In various embodiments, Intubaction device can pass through aspiration hand piece part and the perfusion hand by Intubaction device is constituted Gripping member part coupling (being used for coaxial) and disconnection couple (dynamic for both hands) and carried out between coaxial pattern and double manual modes Conversion.In some embodiments, perfusion handpiece part and aspiration hand piece part may include to be used for aspiration hand piece portion The distal end divided releasedly is couple to the interlocking member of the near-end of perfusion handpiece part.
Under coaxial pattern, aspiration hand piece part may be coupled to perfusion handpiece part, irrigate hand-held will pass through Fluid is drawn into main otch by the first suction tip on part part, and then passes through the on aspiration hand piece part (the second suction tip is at least partially situated in the perfusion handpiece part being in fluid communication with the first suction tip two suction tips Side) aspirated.Under coaxial pattern, perfusion fluid can be provided by irrigating the perfusion fluid issuing on handpiece part. In some embodiments, perfusion fluid issuing can be coupled to the end in the perfusion sleeve of the distal end of perfusion handpiece part Mouthful.Irrigating sleeve can be at least partially around the first suction tip from the extension of perfusion handpiece part.
Under double manual modes, aspiration hand piece part can be disconnected with perfusion handpiece part and coupled, (put with will pass through In the second otch) the second suction tip provides suction, while perfusion handpiece part is continued through (in main otch ) perfusion fluid issuing offer perfusion fluid.Under double manual modes, perfusion handpiece part can not pass through the first suction point End provides suction.
In some embodiments, Intubaction device may also include the seal in the near-end in perfusion handpiece part, Seal is configured to receive the second suction tip when being couple to perfusion handpiece part in aspiration hand piece part.In some realities Apply in scheme, seal is taper and is configured to coordinate in the distal part of perfusion handpiece part, to cause sealing Each wall pressure of part is leaned against on the inwall of perfusion handpiece part, so as to prevent each wall and the perfusion handpiece part of seal Inwall between flow of fluid.In some embodiments, seal may include O-ring, and O-ring is configured to be pressed against filling On the inwall for noting handpiece part, to prevent the flow of fluid between O-ring and the inwall of perfusion handpiece part.At some In embodiment, seal can be configured to prevent to leave filling when aspiration hand piece part is removed from perfusion handpiece part Note the suction fluid outflow of handpiece part.In some embodiments, Intubaction device may also include retainer, and retainer is used for Seal is maintained at when aspiration hand piece partial insertion is irrigated into handpiece part and extracted out from perfusion handpiece part Irrigate in handpiece part.
In some embodiments, the suction tip of aspiration hand piece part can be plugged into perfusion handpiece part In seal, so as to which the suction tip of aspiration hand piece part to be arranged to the aspiration path fluid phase with perfusion handpiece part It is logical, so that the fluid of the suction tip entered on perfusion handpiece part is by irrigating the inside of handpiece part, entering The suction tip of aspiration hand piece part and subsequently depart from aspiration hand piece part.Once tip is inserted into, so that it may will be aspirated Handpiece part is couple to perfusion handpiece part to form coaxial handpiece.Aspiration hand piece part is couple to perfusion hand Gripping member part may include the interlocking member on aspiration hand piece part and perfusion handpiece part being screwed together.In coupling Afterwards, coaxial handpiece then can provide suction by irrigating the suction tip on handpiece part, and by irrigating handpiece Perfusion fluid issuing on part provides perfusion fluid.In order to which Intubaction device is arranged into double manual modes, it will can aspirate hand-held Part part disconnects with perfusion handpiece part to be coupled, and can be by the suction tip of aspiration hand piece part from perfusion handpiece portion Extracted out in seal in point, so as to form two single handpieces.Then, can be by irrigating the perfusion on handpiece part Fluid issuing provides perfusion fluid, while providing suction by the suction tip on aspiration hand piece part.In some embodiment party In case, it may include by irrigating fluid issuing offer perfusion fluid by the perfusion in the distal end for being couple to perfusion handpiece part Port in sleeve provides perfusion fluid, and (perfusion sleeve can be at least partially around the suction point on perfusion handpiece part End).
Brief description
For a more complete understanding of the present invention, following description is referred to reference to accompanying drawing, in the accompanying drawings：
Fig. 1 a to Fig. 1 c show the Intubaction device under coaxial pattern according to an embodiment；
Fig. 1 d show the Intubaction device under double manual modes according to an embodiment；
Fig. 2 a show the cross section of the coupling of the perfusion handpiece part according to an embodiment；
Fig. 2 b show to irrigate the cross section of the alternate embodiment of the coupling of handpiece part；
Fig. 3 a to Fig. 3 g show the various embodiments of check-valves；
Fig. 4 a to Fig. 4 d show to be inserted into suction tube according to the check-valves and buckle-type retainer of an embodiment；
Fig. 5 shows the suction tube with outside O-ring according to an embodiment；
Fig. 6 a to Fig. 6 b show the outside O-ring and perfusion handpiece shell body in suction tube according to an embodiment Inwall between snug fit；
Fig. 7 a to Fig. 7 d show the various views of the aspiration hand piece part according to an embodiment；
Fig. 8 shows the flow chart for being used to assemble the method for Intubaction device according to an embodiment；
Fig. 9 show according to embodiment be used for Intubaction device is carried out between coaxial pattern and double manual modes The flow chart of the method for conversion；And
Figure 10 shows the Intubaction device under double manual modes according to an embodiment.
It will be appreciated that describe and be described in detail below generally above be merely exemplary with it is explanatory, and be intended to carry Of the invention it is explained further for required.
The detailed description of embodiment
In some embodiments, ophthalmology irrigation/aspiration Intubaction device 101 can support coaxial pattern (one-handed performance) and double Both manual modes (operation of two hands).Intubaction device 101 can be configured in single coaxial handpiece (institute in such as Fig. 1 a to Fig. 1 c Showing) both hands with separating start to enter line translation between gripping member (as illustrated in fig 1d).In both modes, can be by sleeve Perfusion fluid outlet port 129 in 107, at the distal end 133 of perfusion handpiece part 103 provide perfusion fluid (for example, There is provided in the first otch in eyes).Under coaxial pattern, it can be carried by the first suction tip 111 in sleeve 107 For suction, and under double manual modes, (the example of the second suction tip 109 on separated aspiration hand piece part 105 can be passed through Such as, be inserted into the second otch in eyes) suction is provided., can not when in some embodiments, under double manual modes Suction is provided by the first suction tip 111.When Intubaction device 101 is assembled for coaxial pattern, aspiration path can be Series connection is through the first suction tip and the second suction tip, wherein the first suction tip 111 is in the inner side of sleeve 107 and second Suction tip 109 is in Intubaction device handle (its formed at least in part by perfusion handpiece shell body 121) inner side.Fluid The hole that can initially enter in the distal end 417 of the first suction tip 111, flows through suction tube 117, the second suction point on the inside of handle End 109 is aspirated, and leaves intubation dress then across the connector 115 on the near-end 137 of aspiration hand piece part 105 Put 101.
In some embodiments, for it is double it is manually operated for, can by make aspiration hand piece part 105 with perfusion hand Gripping member part 103 disconnects coupling and removes aspiration hand piece part 105 by Intubaction device from perfusion handpiece part 103 101 are divided into two handpieces (that is, irrigate handpiece part 103 and aspiration hand piece part 105).For example, such as institute in Fig. 1 d See, aspiration hand piece part 105 can be screwed so as to by the contact pin 123 on aspiration hand piece part 105 and perfusion handpiece portion Slit 125 in points 103 is disengaged, and then axially pulls aspiration hand piece part 105 so as to by aspiration hand piece portion 105 and perfusion handpiece part 103 is divided to separate.In some embodiments, it can not increase, removing or change pipeline connection Intubaction device 101 is transformed into two single handpieces in the case of part or removal sleeve 107.In aspiration hand piece part In the case that 105 separate with perfusion handpiece part 103, the second suction spike tube 109 can be then inserted through to time in eyes Level otch is to be aspirated (for example, so as to remove the cortex of suitable order).In some embodiments, it can pass through Aspiration hand piece part 105 is couple to perfusion handpiece part 103 and switches back to Intubaction device 101 for gang operated Monoblock type handpiece.For example, the second suction tip 109 of aspiration hand piece part 105 can be inserted into perfusion handpiece part In 103 near-end 131, and then aspiration hand piece part 105 can be screwed so that contact pin 123 is engaged with slit 125, so that will Aspiration hand piece part 105 is locked to perfusion handpiece part 103.In some embodiments, contact pin 123 and slit 125 can It is dimensioned be screwed to aspiration hand piece part 105 on perfusion handpiece part 103 so as to engagement tab 123 and narrow Frictional fit is provided during groove 125.It can also be envisaged that other engaging mechanisms (are matched somebody with somebody for example, contact pin and slit fasten configuration, tube-in-tube friction Close etc.).
As seen in fig. 2 a, in some embodiments, the non-return in the perfusion handpiece part 103 of Intubaction device 101 Valve 201 can prevent fluid from leaving perfusion handpiece part when irrigating handpiece part 103 and aspiration hand piece part 105 is separated 103, but the stream through tip 109 can be allowed when irrigating handpiece part 103 and aspiration hand piece part 105 is coupled together Body is connected.In some embodiments, O-ring 203 can be coupled in perfusion handpiece part 103 and aspiration hand piece part 105 Further prevent suction fluid around check-valves 201, in perfusion handpiece part 103 and aspiration hand piece part when together Flowed between 105.In some embodiments, check-valves 201 and O-ring 203 can be elastomers (for example, by polymer system Into).It can also be envisaged that for check-valves and the other materials of O-ring.In some embodiments, in perfusion handpiece shell body In 121 inwall shallow slot 213 (for example, with reference to Fig. 2 a) corresponding rib 501 on suction tube 117 can be received (referring to figure 5th), so that suction tube 117, which aligns and held it in perfusion handpiece shell body 121, irrigates handpiece shell body 121 It is interior, and to prevent suction tube 117 from being rotated in perfusion handpiece shell body 121.In some embodiments, suction tube 117 can be smooth and not including rib 501.In some embodiments, the inwall of perfusion handpiece shell body 121 can To be smooth (that is, not including shallow slot 213), and suction tube 117 and irrigate the inwall of handpiece housing 121 and can have and rub Wipe and coordinate.For example, the rib 501 on suction tube 117 can be configured to when suction tube 117 is inserted so as in suction tube Inwall when fixed frictional fit is provided between 117 and perfusion handpiece housing 121 against perfusion handpiece housing 121 is carried out Extruding.
Fig. 2 b show to irrigate the alternate embodiment of handpiece part 103 and aspiration hand piece part 105.Fig. 2 b show tool Have the base part smaller than shown in Fig. 2 a check-valves 201 it is differently contoured.As shown in figure 2b, check-valves 201 may include Tabular surface on axial O-ring 203, the wherein side of O-ring is towards the corresponding tabular surface on suction tube 117.O-ring 203 Axle when can be configured to be couple to perfusion handpiece part 103 in aspiration hand piece part 105 away from the circular portion of tabular surface Pressed and sealed to ground against aspiration hand piece part 105.
As seen in Fig. 3 a to Fig. 3 b, in some embodiments, check-valves 201 can be taper, in check-valves 201 There is aperture 207 so that suction tip 109 is passed through in tip.In some embodiments, aperture/tip interface can be close to , to prevent suction fluid to be flowed around suction tip 109 when suction tip 109 is inserted into aperture 207.This Outside, aperture 207 can close or dimensionally reduce when suction tip 109 is extracted out, so as to when in the absence of suction tip 109 Fluid stream is prevented to cross the aperture of reduction.For example, as shown in Figure 3 c, aperture 207 can be configured as gap 207a, wherein will aspirate When tip 109 is extracted out, gap 207a both sides are combined together to prevent fluid from passing through aperture 207.Aperture 207 may also include such as figure Two crossed slit 207b shown in 3d.It can also be envisaged that other orifice shapes are (for example, it is as in Fig. 3 e that aperture 207 is formable Shown small circular aperture 207c).As seen in Fig. 3 f to Fig. 3 g, in some embodiments, check-valves 201 may include tool There is the small circular aperture 207c for being hinged folded plate 301.Being hinged folded plate 301 can be by (such as Fig. 3 f to Fig. 3 g cross section of transverse slot 303 Seen in transverse direction) formed.Folded plate 301 is hinged to may act as folded plate valve to form close to close when in the absence of suction tip 109 Sealing.Be present in the pressure of any fluid in suction lumen 211 also will be hinged effect folded plate 301 and be pressed into closure.Hole Mouth 207c can have certain depth (as shown in the figure) allow the bigger tolerance of the axial location of transverse slot 303.
In some embodiments, check-valves 201 may include the inwall against suction tube 117 in perfusion handpiece part The side wall of 103 inner side matchings.Snug fit between the side wall of check-valves 201 and the inwall of suction tube 117 can prevent check-valves Aspirant flow between 201 and the inwall of suction tube 117.O-ring 203 can be by further preventing O-ring 203 and suction Flow of fluid between the inwall of pipe 117 and the other obstacle that fluid flow is provided.In some embodiments, O-ring 203 It can form that (in some embodiments, O-ring 203 and check-valves 201 can be single by single part with check-valves 201 Part).
In some embodiments, when aspiration hand piece part 105 is separated with perfusion handpiece part 103, buckle-type O-ring 203 and check-valves 201 can be fixed in perfusion handpiece part 103 by retainer 205.As seen in Fig. 4 a to Fig. 4 b, During assembly, check-valves 201 and O-ring 203 can be inserted into suction tube 117, then using can have fasten to it is narrow The buckle-type retainer 205 of contact pin 401 in groove 403.As seen in Fig. 4 c, in some embodiments, pilot trench 405 is set Size is used for contact pin 401, so as to before being slightly distorted and then being returned to such as Fig. 4 d findings fastening in slit 403 in contact pin 401 Slip into.As seen in fig. 2 a, once being mounted, buckle-type retainer 205 is prevented from the shifting of check-valves 201 and O-ring 203 Remove.In some embodiments, buckle-type retainer 205 can abut O-ring 203, or can be spaced slightly with O-ring 203.Such as exist Shown in Fig. 2 b alternate embodiment, check-valves 201 can be without using buckle-type retainer 205 (for example, hand-held when removing suction During part part 105, the frictional fit between each side wall of O-ring 203 and perfusion handpiece shell body 121 can be by check-valves 201 Be maintained in perfusion handpiece shell body 121).
As seen in Figure 5, suction tube 117 may include other O-ring 119.As seen in Fig. 6 a to Fig. 6 b, O-ring 119 Frictional fit can be provided between suction tube 117 and perfusion handpiece shell body 121.When the component of 119/ suction tube of O-ring 117 is inserted When entering into perfusion handpiece shell body 121, O-ring 119 can be recessed in the correspondence during inboard compression irrigates handpiece shell body 121 Portion and formed fluid tight seal.In some embodiments, fluid tight seal can be prevented from connector 113 Perfusion fluid into perfusion handpiece part 103 leaves the near-end 131 of perfusion handpiece part 103.Irrigating fluid can be from even Connect device 113 and enter perfusion handpiece part 103, and the outer periphery of the suction tube 117 between O-ring 119 and sleeve 107 Flowing.Rib 407 (as can be seen in figure 4 a) can be by the distal end 415 of suction tube 117 with irrigating each of handpiece shell body 121 Spaced apart from inner walls, to form the passage for irrigating fluid.Then, perfusion fluid can flow through opening 411 and be taken out being screwed into The surrounding of suction tip 111 flowing in the distal end 415 of suction pipe 117.Sleeve 107 can fasten to or be screwed to perfusion handpiece shell body On 121 ridge 409, and perfusion fluid is received from connector 113.Then, perfusion fluid can be by irrigating fluid issuing (example Such as, port 129) leave sleeve 107.
As seen in Fig. 7 a to Fig. 7 d, aspiration hand piece part 105, which can be formed, is exclusively used in what the second otch was aspirated Independent handpiece part.Fluid can enter suction tip 109 (in double manual modes and coaxial pattern two by suction ports 701 During person).Suction tip 109 on aspiration hand piece part 105 is illustrated as bending, but it can also be envisaged that other shapes (example Such as, it is straight, angled etc..) in some embodiments, as seen in fig. 2 a, the suction tip 109 of bending can be curved Bent or angled, to reach the various anatomical structures in eyes.In some embodiments, the suction tip of bending 109 can also bend or angled towards the bottom wall of suction tube 117, be inhaled into more easily to reach in suction lumen 211 Suction fluid (however, Intubaction device 101 will also be worked using straight suction tip 109 under coaxial pattern).At some In embodiment, suction lumen 211 can have the diameter bigger than the front portion of suction tube 117, to be in when Intubaction device 101 When under coaxial pattern, it is allowed to which the suction fluid collected at the second suction tip 109 (is used when coaxial handpiece is at an angle When) extracted out from the second suction tip 109.When Intubaction device 101 is under coaxial pattern, it can taken out by suction tip 109 Vacuum is provided in suction pipe 117.
In some embodiments, suction tip 111 may include to be couple to (for example, be overmolded into thereon, be screwed to it It is upper, be attached by adhesive etc.) sleeve 107 (such as polymer sleeve) of pin (for example, stainless steel intubation).It can also be envisaged that with In sleeve 107 and the other materials of pin.As seen in Fig. 1 b, suction tip 111 may include straight pin.As seen in Fig. 1 c, take out It can be bending to inhale tip 111 and sleeve 107.In some embodiments, as seen in Fig. 1 c, suction tip 111 and set Cylinder 107 (that is, can be pointed to remote in the direction opposite with the side with priming connectors 113 of perfusion handpiece part 103 Its direction) on bend because priming connectors 113 will be most likely on the top of surgeon's grasping member extension and Suction tip 111 and the opposite curvature of sleeve 107 irrigate utilization in operation " freedom " space of the lower section of handpiece part 103 (" certainly By " space of the priming line obstruction that refers to be entered in some sense).As seen in Fig. 1 d, suction tip 109 It may also comprise the pin of bending.It can also be envisaged that other aciculiform shapes for suction tip 111 and suction tip 109 are (for example, angled , it is straight etc.).Equally, other sleeve-shapeds for sleeve 107 are also possible (for example, angled, straight etc.). In some embodiments, the pin for suction tip 111 can be exposed or is molded by polymer coating cladding. In some embodiments, the pin for suction tip 109 can be exposed or can be molded by polymer coating cladding.
As seen in fig. 2 a, in some embodiments, the conduit coupling to perfusion handpiece part 103 may include respectively Plant medical luer (luer) accessory.For example, conduit coupling 113 may include (for example, being couple to convex-type (male) connection Device 209) recess-type (female) locking luer interface as shown in Figure 2 a.To the pipeline of aspiration hand piece part 105 Connector may also comprise various medical luer accessories (for example, being couple on the near-end 137 of aspiration hand piece part 105 is recessed Enter type connector 127 convex-type connector 115).It can also be envisaged that other connection types are (for example, as seen in fig. 2b, connect Device 113 can be recess-type connector).Connector 113 can be configured to angle beta (for example, β angles can be approximately at 10 degree to 25 In the range of degree) priming line is received, to reduce the bending section in priming line (bending section can prevent flow of fluid) simultaneously And make it that aspiration hand piece part 105 or perfusion handpiece part 103 are more easy to grip in hand).It can also be envisaged that other β angles (for example, β can approximately 5 degree with 90 degree between).In some embodiments, the suction luer for suction Interface 115 can be on the end of aspiration hand piece part 105 (be used for luer interface 115 other positions be also possible ).It can also be envisaged that other conduit couplings (for example, frictional fit, adhesive etc.) for perfusion inlet and suction outlet.
Fig. 8 shows to assemble the flow chart of the method for Intubaction device 101.The element provided in flow chart is merely illustrative. Various provided elements can be provided, other element can be increased, and/or can be with order different provided below Perform various elements.
801, suction tip 111 can be couple to the distal end 415 of suction tube 117.For example, suction tip 111 can be twisted Into the opening of suction tube 117.
803, check-valves 201 can be inserted into the near-end 413 of suction tube 117, until the O-ring 203 of check-valves 201 Abut the recessed feature 419 of suction tube 117.
805, buckle-type retainer 205 can be inserted in the rear of check-valves 201, until on buckle-type retainer 205 One or more contact pin 401 are fastened in the receiver hole 403 on suction tube 117.Can be used for buckle-type retainer 205 its His attachment means.For example, buckle-type retainer 205 can be couple into suction tube 117 by adhesive, frictional fit etc..One , can be without using buckle-type retainer 205 (for example, seen in embodiment as shown in Fig. 2 b) in a little embodiments.
807, the suction tube 117 assembled can be inserted into perfusion handpiece shell body 121, until suction tube 117 On outside O-ring 119 abut recessed feature 601 on the inside of perfusion handpiece housing 121.In some embodiments, Rib 501 can align with the reception groove 213 on the inside of perfusion handpiece shell body 121.
809, suction tip 109 can be couple to the distal end 135 of aspiration hand piece part 105.For example, can be by suction point End 109 can be screwed in the reception screw thread on aspiration hand piece part 105.
811, aspiration hand piece tip 109 can be inserted into the check-valves at the near-end 131 of perfusion handpiece part 103 In 201.Such as Fig. 3 c to Fig. 3 e findings, check-valves 201 may include aperture 207 to allow aspiration hand piece tip 109 to pass through non-return Valve 201.
813, aspiration hand piece part 105 can be couple to perfusion handpiece part 103.For example, will can aspirate hand-held The end of part part 105 is inserted into the near-end 131 of perfusion handpiece part 103, and is then screwed so as to aspirate hand Contact pin 123 on gripping member part 105 is engaged with the slit 125 on perfusion handpiece part 103.In some embodiments, fill Contact pin 123 can be had by noting handpiece part 103, and aspiration hand piece part 105 can have slit 125.Other coupled techniques It is also possible (for example, frictional fit) between perfusion handpiece part 103 and aspiration hand piece part 105.
Flow chart 801-813 element can also be reversed, to disassemble Intubaction device 101.Assembling/disassembling to allow The part or all of of Intubaction device 101 is cleaned and/or sterilized so as to reusable.In some embodiments, insert The part of pipe device 101 can be reused, and other parts (for example, suction tip 109 and/or suction tip 111) can make Abandoned between (for every time it is follow-up using install new tip).In some embodiments, whole Intubaction device 101 can To be disposable.In some embodiments, whole Intubaction device 101 can be reusable.
Fig. 9 is shown with the flow chart of the method for Intubaction device 101.The element provided in flow charts is only illustrative 's.Various provided elements can be provided, other element can be increased, and/or can be different from order provided below Order performs various elements.
901, the Intubaction device 101 assembled under coaxial pattern can be inserted into the first otch 1001 in eyes (for example, with reference to the otch 1001 in Figure 10).
903, perfusion can be provided by sleeve 107, and can be taken out by the offer of suction tip 111 of Intubaction device 101 Inhale.
905, the second otch 1003 can be cut in eyes.
907, aspiration hand piece part 105 and perfusion handpiece part 103 can be disconnected coupling.For example, such as Fig. 1 d Seen in, aspiration hand piece part 105 can be screwed so as to which the contact pin 123 on aspiration hand piece part 105 is hand-held with irrigating Slit 125 in part part 103 is disengaged, and is then axially pulled so that aspiration hand piece part 105 is hand-held with irrigating Part part 103 is separated.In some embodiments, aspiration hand piece part 105 can be removed from perfusion handpiece part 103, And sleeve 107 and tip 111 are maintained in otch 1001.In some embodiments, can by aspiration hand piece part 105 from Irrigate before the removal of handpiece part 103, sleeve 107 and tip 111 are extracted out from otch 1001.
909, the tip 109 of aspiration hand piece part 105 can be plugged into the second otch 1003 in eyes.
, can be by second when proceeding perfusion through sleeve 107 by irrigating handpiece part 103 911 The tip 109 of aspiration hand piece part 105 in otch 1003 provides suction.
913, aspiration hand piece tip 109 can be extracted out from the second otch 1003 in eyes.
In 915, the check-valves that aspiration hand piece tip 109 can be plugged at the near-end 131 of perfusion handpiece part 103 In 201.
917, aspiration hand piece part 105 can be couple to perfusion handpiece part 103.In some embodiments, may be used Aspiration hand piece part 105 is couple to perfusion handpiece part 103, and sleeve 107 and tip 111 are maintained at otch 1001 In.In some embodiments, can be before aspiration hand piece part 105 to be couple to perfusion handpiece part 103, by sleeve 107 and sophisticated 111 extract out from otch 1001.
One of ordinary skill in the art can make various modifications to the embodiment presented.By considering this explanation Book and invention disclosed herein practice, other embodiments of the invention will be to those skilled in the art it is aobvious and It is clear to.It is expected that this specification and example are considered merely as exemplary, and the true scope and spirit of the invention is by the power of enclosing Sharp claim and its equivalent are indicated.

Claims (13)

1. a kind of Intubaction device, it includes：
Handpiece part is irrigated, it includes being configured to provide the first suction tip of suction and is configured to provide perfusion fluid Perfusion fluid issuing；
Aspiration hand piece part, it includes being configured to provide the second suction tip of suction, wherein second suction tip Extend from the distal end of the aspiration hand piece part；
Wherein described Intubaction device can be converted between modes：
Coaxial pattern, the aspiration hand piece part is couple to the perfusion handpiece part under the coaxial pattern, so as to Fluid is aspirated and by the perfusion fluid by first suction tip and second suction tip then connected Outlet provides perfusion fluid, and
Double manual modes, the aspiration hand piece part and the perfusion handpiece part are to separate under described pair of manual mode , suction is provided will pass through second suction tip, while the perfusion handpiece part continues through the perfusion stream Body outlet provides perfusion fluid but does not provide suction by first suction tip.
2. Intubaction device as claimed in claim 1, wherein the perfusion fluid issuing is coupled to the perfusion handpiece portion Port in the perfusion sleeve for the distal end divided, wherein irrigation sleeve cylinder irrigates handpiece part at least partially around from described First suction tip of extension.
3. Intubaction device as claimed in claim 1, it also includes the sealing in the near-end in the perfusion handpiece part Part, wherein the seal is configured to receive institute when being couple to the perfusion handpiece part in the aspiration hand piece part State the second suction tip.
4. Intubaction device as claimed in claim 3, wherein the seal is taper, and is configured to coordinate in the filling In the distal part for noting handpiece part, to cause the wall pressure of the seal to lean against the inwall of the perfusion handpiece part On, so as to prevent the flow of fluid between the wall of the seal and the inwall of the perfusion handpiece part.
5. Intubaction device as claimed in claim 3, wherein the seal includes O-ring, the O-ring is configured to be pressed against On the inwall of the perfusion handpiece part, to prevent between the O-ring and the inwall of the perfusion handpiece part Flow of fluid.
6. Intubaction device as claimed in claim 3, wherein the seal is configured to by the aspiration hand piece part Prevent to leave the aspirant flow of perfusion handpiece part when removing from the perfusion handpiece part.
7. Intubaction device as claimed in claim 3, it also includes retainer, and the retainer is used for the suction is hand-held Handpiece part is irrigated described in part partial insertion and the seal is maintained at when being extracted out from the perfusion handpiece part In the perfusion handpiece part.
8. Intubaction device as claimed in claim 1, wherein the perfusion handpiece part and aspiration hand piece part bag Include for the distal end of the aspiration hand piece part to be releasedly couple into the near-end for irrigating handpiece part Interlocking member.
9. Intubaction device as claimed in claim 1, wherein the perfusion handpiece part also includes priming connectors, the filling Note connector is configured to the priming line for providing perfusion fluid being couple to the perfusion handpiece part, and wherein described First suction tip is on the direction for pointing to the side including the priming connectors away from the perfusion handpiece part Bending.
10. a kind of suction/method for filling, it includes：
The suction tip of aspiration hand piece part is inserted into the seal in perfusion handpiece part, so as to by the suction The suction tip of handpiece part is arranged to be in fluid communication with the aspiration path of the perfusion handpiece part, so that Fluid into the suction tip on the perfusion handpiece part is by the inside of the perfusion handpiece part, into described The suction tip of aspiration hand piece part and subsequently depart from the aspiration hand piece part；
The aspiration hand piece part is couple to the perfusion handpiece part to form coaxial handpiece；
Suction is provided by the suction tip on the perfusion handpiece part, and passes through the perfusion handpiece part On perfusion fluid issuing provide perfusion fluid；
The aspiration hand piece part is disconnected with the perfusion handpiece part and coupled；
The suction tip of the aspiration hand piece part is extracted out from the seal in the perfusion handpiece part To form two single handpieces；And
Perfusion fluid is provided by the perfusion fluid issuing on the perfusion handpiece part, and passes through the suction hand The suction tip on gripping member part provides suction.
11. method as claimed in claim 10, wherein by the perfusion fluid issuing provide perfusion fluid include by The port being couple in the perfusion sleeve of the distal end of the perfusion handpiece part provides perfusion fluid, wherein irrigation sleeve cylinder At least partially around the suction tip on the perfusion handpiece part.
12. method as claimed in claim 10, wherein the aspiration hand piece part is couple into the perfusion handpiece portion Dividing includes the interlocking member on the aspiration hand piece part and the perfusion handpiece part being screwed together.
13. method as claimed in claim 10, wherein the aspiration hand piece part is couple into the perfusion handpiece portion Divide and disconnect coupling and need not removing by the aspiration hand piece part and the perfusion handpiece part and irrigate pipeline company Fitting or suction channel connector, and sleeve need not be removed from the perfusion handpiece part.
CN201480032043.6A 2013-06-06 2014-05-08 Transform irrigation/aspiration device Active CN105263539B (en)

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